package com.bee.common.utils;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.core.env.Environment;
import org.springframework.stereotype.Component;

/**
 * spring获取bean工具类
 * 
 * @author 小威老师
 *
 */
@Component
public class SpringContext implements ApplicationContextAware {

	private static ApplicationContext applicationContext = null;

	@Override
	public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
		SpringContext.applicationContext = applicationContext;
	}
	
	
	 /**
     * 根据bean的class来查找对象
     * @param c
     * @return
     */

	public static <T> T getBean(Class<T> cla) {
		return applicationContext.getBean(cla);
	}

	public static <T> T getBean(String name, Class<T> cal) {
		return applicationContext.getBean(name, cal);
	}

	public static String getProperty(String key) {
		return applicationContext.getBean(Environment.class).getProperty(key);
	}
}
